Analysis

  • max time kernel
    18s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 03:22

General

  • Target

    0fea2fa264e0e861daef324f43e81b76c06fa9b0d7de2e4eccf75bae1999568c.dll

  • Size

    170KB

  • MD5

    db92e7a0555c45e53014560908462542

  • SHA1

    c1114f6bd3b0687dd63766657e17d13e4f18c054

  • SHA256

    0fea2fa264e0e861daef324f43e81b76c06fa9b0d7de2e4eccf75bae1999568c

  • SHA512

    a4238e8cd1c4281fc52bf4953ce9ec476bf9a8800a8da8b744ed7a1693ca7055584f7a52b73486f26bd842224828dd72a6bb2aeff327293f9b63703c68693736

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fea2fa264e0e861daef324f43e81b76c06fa9b0d7de2e4eccf75bae1999568c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fea2fa264e0e861daef324f43e81b76c06fa9b0d7de2e4eccf75bae1999568c.dll,#1
      2⤵
        PID:3900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 648
          3⤵
          • Suspicious use of NtCreateProcessExOtherParentProcess
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2276

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3900-114-0x0000000000000000-mapping.dmp
    • memory/3900-115-0x0000000073A10000-0x0000000073A3F000-memory.dmp
      Filesize

      188KB

    • memory/3900-117-0x0000000003280000-0x00000000032A3000-memory.dmp
      Filesize

      140KB